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Grundfos CR / CR E - Surface Pumps

Grundfos CR pumps are vertical multistage centrifugal pumps. The in-line design enables the pump to be installed in a horizontal one-pipe system where the suction and discharge ports are in the same horizontal plane and have the same pipe dimensions. This design provides a more compact pump design and pipework. Grundfos CR pumps come with various pump sizes and various numbers of stages to provide the flow and the pressure required.

A centrifugal pump has a stationary part and a rotating part. the rotating part is called the impeller. the impeller has a number of vanes which force the water to rotate and creates flow.

The stationary part is called the pump housing, or pump bowl. the bowl also has a number of vanes called guide vanes. their function is to stop the water’s rotation and to convert the energy in the rotation to pressure.

A multistage pumps have several impellers and pump housings or bowls. if a single-stage pump can generate 3 bar, then a two stage pump with the same type of impeller and bowl can generate 6 bar, a three stage pump with the same type of impeller and bowl will generate 9 bar and so on.

Surface pumps for irrigation, water supply, pressure boosting and dewatering.

Max. TDH: 275m - Max. flow rate: 30 m3/h

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Experienced pumping specialist operating internationally, SINES main business is the distribution of material to the African continent. We also carry out turnkey projects, including supply and installation of water pumping solutions in remote or isolated areas.